Emerald Ash Borer (EAB) Identification, Symptoms, Treatment, and Control of Agrilus planipennis The Emerald Ash Borer (EAB) (Agrilus planipennis Fairmaire) is one of the most destructive tree pests ever introduced into North America. This small metallic-green beetle has killed millions of ash trees and continues to threaten communities, forests, and residential properties throughout the United […]
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Understanding Tree Budding in Springtime Tree budding, a phenological event known as bud break, is currently signaling the start of the growing season as trees across Minnesota enter this critical stage of development. Phenology is the study of how seasonal changes—particularly temperature and daylight—drive biological processes such as budding, flowering, and leaf-out. Unlike the calendar, these
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Trees are a cornerstone of biodiversity and play a vital role in maintaining healthy ecosystems. As primary producers, trees convert sunlight into energy through photosynthesis, providing the foundation of many food webs. They absorb carbon dioxide, release oxygen, and help regulate climate by storing carbon and moderating temperatures. Tree roots stabilize soil, prevent erosion, and
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